CN207772822U - A kind of multi-faceted quarry tipper vehicle body posture adjustment hydro-pneumatic suspension system - Google Patents
A kind of multi-faceted quarry tipper vehicle body posture adjustment hydro-pneumatic suspension system Download PDFInfo
- Publication number
- CN207772822U CN207772822U CN201721725945.5U CN201721725945U CN207772822U CN 207772822 U CN207772822 U CN 207772822U CN 201721725945 U CN201721725945 U CN 201721725945U CN 207772822 U CN207772822 U CN 207772822U
- Authority
- CN
- China
- Prior art keywords
- vehicle
- way electromagnetic
- electromagnetic directional
- pneumatic
- pneumatic cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Vehicle Body Suspensions (AREA)
Abstract
The utility model discloses a kind of multi-faceted quarry tipper vehicle body posture adjustment hydro-pneumatic suspension systems, the utility model by the vehicle bridge both ends of vehicle be arranged pneumatic cylinder, pneumatic cylinder is all connected with corresponding pressure sensor and three-position four-way electromagnetic directional valve, pressure sensor and three-position four-way electromagnetic directional valve are all connected with control unit, the pressure of pneumatic cylinder is acquired by pressure sensor, and it is compared with threshold value, control unit controls three-position four-way electromagnetic directional valve opening and closing, to realize the adjustment to different oil gas suspension hydraulic circuits, make pneumatic cylinder to be adjusted to vehicle attitude.The utility model can in real time be adjusted vehicle attitude, improve the safety of vehicle when driving.
Description
Technical field
The utility model belongs to oleo-pneumatic suspension apparatus field in quarry tipper, and in particular to a kind of multi-faceted mining self-unloading
Vehicle vehicle body posture adjustment hydro-pneumatic suspension system.
Background technology
Oleo-pneumatic suspension is one kind using gas as elastic fluid, suspension arrangement of the liquid as power transmission medium, by vehicle body and
Vehicle bridge elastic connection, it is ensured that contact of the tire with ground, adjustment body gesture keep horizontal, have good bumper and absorbing shock
Ability.Oleo-pneumatic suspension is widely used on the quarry tipper needed in face of complex road condition.
The hydro-pneumatic suspension system form of mainstream on market today, though it can preferably adjust vehicle body appearance in mine car driving process
State, but still have some shortcomings, and with the development of mine car the relevant technologies, the performance requirement of oleo-pneumatic suspension is also constantly carried
It is high.It is same often more complicated in face of environment in driving process because the loading capacity of quarry tipper first increases increasingly, road surface
Poor flatness, the road conditions such as bend is more, needs to turn to often, the centrifugal force that when steering generates also bigger, it is easier to thing of tumbling
Therefore surface evenness is poor in addition, makes wheel lift that chassis be caused to form prodigious capsizing angle, some parts also can be by bigger
Cross shear and be more easy to be damaged；Secondly, the continuous irregular appearance of pot hole protrusion in addition, just it cannot be guaranteed that all vehicles
Wheel lands, and causes the stress on chassis also more complicated and changeable, while being accompanied by violent impact.If quarry tipper is expert at
Vehicle appearance problem occurs when encountering these situations in sailing immediately obtained to adjust, the safety when driving of vehicle will be drastically influenced
Property.
Utility model content
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of multi-faceted quarry tipper vehicle body posture adjustment oil gas
Suspension, adjustment vehicle chassis balance.
In order to achieve the above object, the utility model is included in two pneumatic cylinders of vehicle front axle both ends setting,
And the pneumatic cylinder in the setting of vehicle rear axle both ends, four pneumatic cylinders are all connected with corresponding pressure sensor and three
Position four-way electromagnetic reversing valve, two three-position four-way electromagnetic directional valves of vehicle side are connected, two 3-position 4-way electricity of vehicle side
A magnetic reversal valve connection accumulator, two pneumatic cylinders of vehicle bridge are connected, four pressure sensors and four three four
Electric change valve is all connected with control unit；
Control unit be used for acquire four pressure sensors parameter and and threshold comparison, and control four 3-position 4-ways
The opening and closing of solenoid directional control valve.
Rotation angle sensor is provided on vehicle steering device, rotation angle sensor connects control unit.
Three-position four-way electromagnetic directional valve connects corresponding pneumatic cylinder, two 3-position 4-ways of vehicle side by middle position
Solenoid directional control valve is connected by position in three-position four-way electromagnetic directional valve.
The pneumatic cylinder of the right position connection vehicle bridge other side of three-position four-way electromagnetic directional valve.
The left position of three-position four-way electromagnetic directional valve connects the left position of the three-position four-way electromagnetic directional valve of the same vehicle other side.
In two pneumatic cylinders in vehicle bridge, the rodless cavity of one of pneumatic cylinder connects another oleo-pneumatic suspension
The rod chamber of cylinder.
Compared with prior art, the utility model by the vehicle bridge both ends of vehicle be arranged pneumatic cylinder, oil gas hanging
It hangs cylinder and is all connected with corresponding pressure sensor and three-position four-way electromagnetic directional valve, pressure sensor and three-position four-way electromagnetic directional valve
It is all connected with control unit, the pressure of pneumatic cylinder is acquired by pressure sensor, and is compared with threshold value, control unit control
Three-position four-way electromagnetic directional valve opening and closing processed makes pneumatic cylinder to realize the adjustment to different oil gas suspension hydraulic circuits
Vehicle attitude is adjusted.The utility model can in real time be adjusted vehicle attitude, improve the peace of vehicle when driving
Quan Xing.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the control block diagram of the utility model；
Wherein, the 1, first three-position four-way electromagnetic directional valve；2, the second three-position four-way electromagnetic directional valve；3, third 3-position 4-way
Solenoid directional control valve；4, the 4th three-position four-way electromagnetic directional valve；5, the first pneumatic cylinder；6, the second pneumatic cylinder；7, third
Pneumatic cylinder；8, the 4th pneumatic cylinder；9, the second accumulator；10, the first accumulator；11, second pressure sensor； 12、
First pressure sensor；13, third pressure sensor；14, the 4th pressure sensor.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings.
Referring to Fig. 1 and Fig. 2, the utility model is included in the first pneumatic cylinder 5 and the of vehicle front axle both ends setting
Two pneumatic cylinders 6, and vehicle rear axle both ends setting third pneumatic cylinder 7 and the 4th pneumatic cylinder 8, first
Pneumatic cylinder 5 connects middle position and the first pressure sensor 12 of the first three-position four-way electromagnetic directional valve 1, the second pneumatic cylinder
6 the second three-position four-way electromagnetic directional valves 2 of connection and second pressure sensor 11；
Third pneumatic cylinder 7 connects middle position and the third pressure sensor 13 of third three-position four-way electromagnetic directional valve 3, the
Four pneumatic cylinders 8 connect middle position and the 4th pressure sensor 14 of the 4th three-position four-way electromagnetic directional valve 4, the first 3-position 4-way
The middle position of the middle position connection third three-position four-way electromagnetic directional valve 3 of solenoid directional control valve 1, the second three-position four-way electromagnetic directional valve 2
Middle position connects the middle position of the 4th three-position four-way electromagnetic directional valve 4；
First three-position four-way electromagnetic directional valve 1 and the first accumulator 10 of connection of third three-position four-way electromagnetic directional valve 3, second
Three-position four-way electromagnetic directional valve 2 and the 4th three-position four-way electromagnetic directional valve 4 connect the second accumulator 9；
The rodless cavity of first pneumatic cylinder 5 connects the second oil gas by the right position of the first three-position four-way electromagnetic directional valve 1
The rodless cavity of the rod chamber of suspension cylinder 6, the second pneumatic cylinder 6 is connected by the right position of the second three-position four-way electromagnetic directional valve 2
The rodless cavity of the rod chamber of first pneumatic cylinder 5, third pneumatic cylinder 7 passes through third three-position four-way electromagnetic directional valve 3
Right position connects the rod chamber of the 4th pneumatic cylinder 8, and the rodless cavity of the 4th pneumatic cylinder 8 is changed by the 4th 3-position 4-way electromagnetism
To the rod chamber of the right position of valve 4 connection third pneumatic cylinder 7.
The left position of the second three-position four-way electromagnetic directional valve 2 of left position connection of first three-position four-way electromagnetic directional valve 1, the three or three
The left position of position four-way electromagnetic reversing valve 3 connects the left position of the 4th three-position four-way electromagnetic directional valve 4.
First pressure sensor 12, second pressure sensor 11, third pressure sensor 13, the 4th pressure sensor 14,
First three-position four-way electromagnetic directional valve 1, the second three-position four-way electromagnetic directional valve 2, third three-position four-way electromagnetic directional valve 3 and the 4th
Three-position four-way electromagnetic directional valve 4 is all connected with control unit, and rotation angle sensor, rotation angle sensing are provided on vehicle steering device
Device connect control unit, control unit be used for acquire four pressure sensors parameter and and threshold comparison, and control four
The opening and closing of three-position four-way electromagnetic directional valve.
The working method of the utility model, includes the following steps：
Step 1, four pressure sensors acquire the pressure of corresponding pneumatic cylinder in real time；
Step 2, when the rodless cavity oil liquid pressure that pressure sensor collects corresponding pneumatic cylinder increases,
Pressure value is sent in control unit；
Step 3, control unit is by the collected pressure value of pressure sensor and threshold comparison, if pressure value is less than threshold value,
Then continue to acquire；If pressure value is more than threshold value, three-position four-way electromagnetic directional valve that control pressure increases out and vehicle bridge or side
Three-position four-way electromagnetic directional valve is connected；
Step 4, fluid in the pneumatic cylinder of pressure eminence is from three-position four-way electromagnetic directional valve feed pressure lower
In pneumatic cylinder, the adjusting of oleo-pneumatic suspension is completed.
When the whole of a certain vehicle bridge, which is withdrawn, encounters bump, the 3-position 4-way electromagnetism of control unit control pressure eminence
It changes another 3-position 4-way electromagnetism commutation with side to be connected to, the fluid in the pneumatic cylinder of pressure eminence is changed from 3-position 4-way electromagnetism
Into the pneumatic cylinder of valve feed pressure lower, the adjusting of oleo-pneumatic suspension is completed.
When a certain wheel of vehicle encounters bump, the three-position four-way electromagnetic directional valve of control unit control pressure eminence
It is connected to another 3-position 4-way electromagnetism commutation of vehicle bridge, the fluid in the pneumatic cylinder of pressure eminence is from 3-position 4-way electromagnetism
In the pneumatic cylinder of reversal valve feed pressure lower, the adjusting of oleo-pneumatic suspension is completed.
When mine car is when turning to, steering wheel rotation certain angle, vehicle body begins with the trend of tumbling under the action of the centrifugal force, outside
Side oil gas cylinder rodless cavity is pressurized, and inside oil gas the cylinder piston is protruding, rodless cavity pressure reduction, and compartment inclines left or right occurs
Tiltedly, rotation angle sensor sends out signal to control unit, and control unit controls vehicle bridge by two three-position four-way electromagnetic directional valves
The rod chamber of interior pressure lower pneumatic cylinder connects the rodless cavity of pressure eminence pneumatic cylinder, and high pressure oil enters in rodless cavity
Rod chamber makes the piston retraction in rod chamber, to make the side chassis reduce, until the oil liquid pressure phase in two oil gas cylinders of left and right
Deng chassis is again horizontal.
Embodiment 1：
When the wheel of current vehicle bridge encounters bump, chassis tilts forward and back, the first pneumatic cylinder 5 and the second oil gas hanging
The rodless cavity fluid pressure rise simultaneously of cylinder 6 is hung, pressure sensor detects the first pneumatic cylinder 5 and the second oleo-pneumatic suspension
6 liang of cylinder oil liquid pressures of cylinder be more than third pneumatic cylinder 7 and the 4th pneumatic cylinder 8 when, just send out excitation to control device
Signal controls position in whole solenoid valves and works, makes the first pneumatic cylinder 5 and third pneumatic cylinder 7, the second pneumatic cylinder
6 are connected with the 4th pneumatic cylinder 8, and high-voltage oil liquid enters the from the first pneumatic cylinder 5 and 6 rodless cavity of the second pneumatic cylinder
Three pneumatic cylinders 7 and 8 rodless cavity of the 4th pneumatic cylinder, front axle reduce, and rear axle increases, until pressure value is equal.
Embodiment 2：
If bridge only encounters bump and be elevated there are one wheel before in the process of moving, with the second pneumatic cylinder
For 6,6 rodless cavity oil liquid pressure of the second pneumatic cylinder increases, and is more than the fluid pressure of the first pneumatic cylinder 5 of same vehicle bridge
Power, at this time control unit can control the first three-position four-way electromagnetic directional valve of solenoid valve 1 and people's three-position four-way electromagnetic directional valve 2
Left position works, i.e., the first pneumatic cylinder 5 is connected with the rodless cavity of the second pneumatic cylinder 6, and fluid is from the second oleo-pneumatic suspension
Cylinder 6 enters the first pneumatic cylinder 5 so that 6 side of the second pneumatic cylinder of chassis reduces, 5 side liter of the first pneumatic cylinder
Height, until two cylinder oil liquid pressures are equal, chassis level is no longer turned round.
Accumulator is as a kind of energy storage device, and when the piston of pneumatic cylinder is compressed, oil pressure increases, and has pressure energy
Fluid enter accumulator oil pocket, and be converted into air bag elastic potential energy storage；When suspension cylinder rodless cavity pressure connected to it
When decline, fluid escapes and enter rodless cavity, pressure rise by air bag, and piston stretches out.Ensure oil liquid pressure will not be excessively high and damage
Bad accessory ensures that four tires are contacted with ground flexible.
The method of the utility model is when wheel is elevated or body sway causes in pneumatic cylinder inner fluid pressure
Rise when, pressure sensor sends out pumping signal to control unit, then make three-position four-way electromagnetic directional valve act to be formed it is different
Vehicle appearance adjustment hydraulic circuit carrys out leveling vehicle appearance.Change oleo-pneumatic suspension at any time by the raising of pneumatic cylinder inner fluid pressure
The connection line of the Hydraulic Elements such as cylinder, accumulator, in time vehicle appearance tilt problem caused by leveling difference road conditions.
Claims (6)
1. a kind of multi-faceted quarry tipper vehicle body posture adjustment hydro-pneumatic suspension system, which is characterized in that be included in vehicle front axle two
Two pneumatic cylinders of setting are held, and in two pneumatic cylinders of vehicle rear axle both ends setting, four oleo-pneumatic suspensions
Cylinder is all connected with corresponding four pressure sensors and four three-position four-way electromagnetic directional valves, two 3-position 4-way electricity of vehicle homonymy
Magnetic reversal valve is connected, and two three-position four-way electromagnetic directional valves of vehicle homonymy are separately connected an accumulator, in same vehicle bridge
Two pneumatic cylinders be connected, it is single that four pressure sensors and four three-position four-way electromagnetic directional valves are all connected with control
Member；
Control unit be used for acquire four pressure sensors parameter and and threshold comparison, and control four 3-position 4-way electromagnetism
The opening and closing of reversal valve.
2. a kind of multi-faceted quarry tipper vehicle body posture adjustment hydro-pneumatic suspension system according to claim 1, which is characterized in that
Rotation angle sensor is provided on vehicle steering device, rotation angle sensor connects control unit.
3. a kind of multi-faceted quarry tipper vehicle body posture adjustment hydro-pneumatic suspension system according to claim 1, which is characterized in that
Three-position four-way electromagnetic directional valve connects corresponding pneumatic cylinder, two 3-position 4-way electromagnetic switch of vehicle side by middle position
Valve is connected by position in three-position four-way electromagnetic directional valve.
4. a kind of multi-faceted quarry tipper vehicle body posture adjustment hydro-pneumatic suspension system according to claim 1, which is characterized in that
The pneumatic cylinder of the right position connection vehicle bridge other side of three-position four-way electromagnetic directional valve.
5. a kind of multi-faceted quarry tipper vehicle body posture adjustment hydro-pneumatic suspension system according to claim 1, which is characterized in that
The left position of three-position four-way electromagnetic directional valve connects the left position of the three-position four-way electromagnetic directional valve of the same vehicle other side.
6. a kind of multi-faceted quarry tipper vehicle body posture adjustment hydro-pneumatic suspension system according to claim 1, which is characterized in that
In two pneumatic cylinders in vehicle bridge, what the rodless cavity of one of pneumatic cylinder connected another pneumatic cylinder has bar
Chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721725945.5U CN207772822U (en) | 2017-12-12 | 2017-12-12 | A kind of multi-faceted quarry tipper vehicle body posture adjustment hydro-pneumatic suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721725945.5U CN207772822U (en) | 2017-12-12 | 2017-12-12 | A kind of multi-faceted quarry tipper vehicle body posture adjustment hydro-pneumatic suspension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207772822U true CN207772822U (en) | 2018-08-28 |
Family
ID=63231165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721725945.5U Expired - Fee Related CN207772822U (en) | 2017-12-12 | 2017-12-12 | A kind of multi-faceted quarry tipper vehicle body posture adjustment hydro-pneumatic suspension system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207772822U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128113A (en) * | 2017-12-12 | 2018-06-08 | 长安大学 | A kind of compound interconnection oil-air suspension system of quarry tipper and method of work |
| CN111674219A (en) * | 2020-04-28 | 2020-09-18 | 浙江工业大学 | Autonomous mode switching type oil-gas hybrid interconnected suspension system |
-
2017
- 2017-12-12 CN CN201721725945.5U patent/CN207772822U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128113A (en) * | 2017-12-12 | 2018-06-08 | 长安大学 | A kind of compound interconnection oil-air suspension system of quarry tipper and method of work |
| CN111674219A (en) * | 2020-04-28 | 2020-09-18 | 浙江工业大学 | Autonomous mode switching type oil-gas hybrid interconnected suspension system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU746811B2 (en) | Roll-resistant hydraulic suspension system, kit and method for load handling vehicles | |
| EP2927093B1 (en) | Follow-up steering control system of multi-axle automobile crane and multi-axle automobile crane | |
| CN103640448B (en) | Oleo-pneumatic suspension control system, oil cylinder leveling method and engineering truck | |
| CN207772822U (en) | A kind of multi-faceted quarry tipper vehicle body posture adjustment hydro-pneumatic suspension system | |
| CN108128113A (en) | A kind of compound interconnection oil-air suspension system of quarry tipper and method of work | |
| US20170225535A1 (en) | User Selected Settings for Vehicle With Pneumatic Suspension and Tire Inflation System | |
| US20060091635A1 (en) | Closed pneumatic synchronization system for independent suspensions | |
| CN103057374A (en) | Hydro-pneumatic suspension system and engineering vehicle | |
| CN101765727B (en) | Interconnected suspension systems | |
| CN113246680A (en) | Air suspension and interconnected suspension parallel system | |
| Ryu et al. | Rollover mitigation for a heavy commercial vehicle | |
| CN110285102B (en) | Multi-shaft emergency rescue vehicle hydraulic steering control system with active suspension | |
| CN211519176U (en) | Oil gas suspension device of remote control vehicle and remote control vehicle | |
| CN113276614B (en) | Multifunctional combined type active hydraulic interconnection suspension system | |
| CN203543573U (en) | Anti-rollover hydraulic damping system and engineering vehicle | |
| CN110789285A (en) | Hydro-pneumatic suspension device of remote control vehicle, control method and remote control vehicle | |
| CN203818971U (en) | Anti-overturning vehicle hydro-pneumatic suspension system and vehicle | |
| CN109808435B (en) | Suspension system and vehicle | |
| CN103671294A (en) | System and method for controlling synchronous rising and falling of suspension oil cylinders and engineering vehicle | |
| CN103879257A (en) | Suspension valves, oil gas suspension control system and engineering vehicle | |
| CN107053986B (en) | Hydraulic control system for oil-gas suspension of five-axis dumper | |
| CN207673772U (en) | A kind of pneumatic cylinder | |
| CN207630903U (en) | Hydraulic pressure interacted system and the vehicle for using the hydraulic pressure interacted system | |
| CN111775648B (en) | Semi-active hydro-pneumatic suspension control system and control method for mining dump truck | |
| CN102390428B (en) | Control method of steering central shaft and hydraulic control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 Termination date: 20191212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |